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Effects of A-site composition and oxygen nonstoichiometry on the thermodynamic stability of compounds in the Ba–Sr–Co–Fe–O system

✍ Scribed by Tanasescu, Speranta; Yáng, Zhèn; Martynczuk, Julia; Varazashvili, Vera; Maxim, Florentina; Teodorescu, Florina; Botea, Alina; Totir, Nicolae; Gauckler, Ludwig J.

Book ID
120011815
Publisher
Elsevier Science
Year
2013
Tongue
English
Weight
706 KB
Volume
200
Category
Article
ISSN
0022-4596

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SrCo 0.8 Fe 0.2 O 3-δ (SCFO) and Ba 0.5 Sr 0.5 Co 0.8 Fe 0.2 O 3-δ (BSCFO) oxides were successfully prepared, using a combined citrate-EDTA complexing method. The results of O 2 -TPD and XRD showed that the introduction of barium into SCFO could effectively suppress the oxidation of Co 3+ and Fe 3+